Aqueous polymeric dispersions made thixotropic by certain ammoni

Details Aqueous polymeric dispersions made thixotropic by certain ammoni Aqueous polymeric dispersions made thixotropic by certain ammoni

1976-08-12

1978-06-27

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 9, 260 16, 260 174ST, C08L 128

Patent

active

040974308

ABSTRACT:
Aqueous solutions of R zirconium carbonate in which R is selected from ammonium and potassium have a carbonate: zirconia molar ratio not greater than about 2 are used to impart thixotropic properties to aqueous dispersions of polymers and copolymers containing a water-soluble organic colloid containing a hydroxy group, such as emulsion paint. The solutions may be prepared by reacting zirconium basic carbonate with ammonium or potassium carbonate solution and have a good storage stability, especially at high concentrations.

REFERENCES:
patent: 2641558 (1953-06-01), Urban
patent: 3418073 (1968-12-01), Blumenthal
patent: 3425896 (1969-02-01), Hart
patent: 3615172 (1971-10-01), Fulson
patent: 3741782 (1973-06-01), Stewart
patent: 4061720 (1977-12-01), Phillips
Chem. Absts., vol. 65 (1966), 19659d, Pospelova et al., "Carbonate Compounds of Zirconium".

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